2007•Anhui nongye kexueRequires access
Preparation and Characteristics of Potato Resistant Starch
Nie Ling-hong
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Abstract
Potato resistant starch was prepared by acid-modifying and heat-moisture treatments.An orthogonal trial was conducted and the optimal parameters for preparation of potato resistant starch were investigated.The results showed that the optimum condition of preparing potato resistant starch was as following: ratio between potato starch and water of 1∶9,acid modification time of 1.5 h,HCl concentration of 2%,heat-moisture time of 2.5 h,and refrigeration time of 36 h.Thus the output of resistant starch was 13.87%.Compared with the raw potato starch,the acid-resistance and enzyme-resistance of RS were intensified,and moisture absorption of RS was increased.